Wristwatch



FIG. 1 is a perspective view of the front and right side of a wristwatchshowing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left side elevation thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawing are for illustrative purposes onlyand form no part of the claimed design.

The ornamental design for a wristwatch, as shown and described.